[dpdk-dev] [PATCH 2/2] examples/ipsec-secgw: add target queues in flow actions

[Nelio Laranjeiro]

Mellanox INNOVA NIC needs to have final target queue actions to perform
inline crypto.

Signed-off-by: Nelio Laranjeiro <nelio.laranje...@6wind.com>
---
 examples/ipsec-secgw/ipsec.c | 27 ++++++++++++++++++++++++++-
 examples/ipsec-secgw/ipsec.h |  2 +-
 2 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/examples/ipsec-secgw/ipsec.c b/examples/ipsec-secgw/ipsec.c
index 17bd7620d..e967f88b3 100644
--- a/examples/ipsec-secgw/ipsec.c
+++ b/examples/ipsec-secgw/ipsec.c
@@ -142,6 +142,22 @@ create_session(struct ipsec_ctx *ipsec_ctx, struct 
ipsec_sa *sa)
                                                        rte_eth_dev_get_sec_ctx(
                                                        sa->portid);
                        const struct rte_security_capability *sec_cap;
+                       uint8_t rss_key[40];
+                       struct rte_eth_rss_conf rss_conf = {
+                               .rss_key = rss_key,
+                               .rss_key_len = 40,
+                       };
+                       struct rte_eth_dev *eth_dev;
+                       union {
+                               struct rte_flow_action_rss rss;
+                               struct {
+                                       const struct rte_eth_rss_conf *rss_conf;
+                                       uint16_t num;
+                                       uint16_t queue[RTE_MAX_QUEUES_PER_PORT];
+                               } local;
+                       } action_rss;
+                       unsigned int i;
+                       unsigned int j;
 
                        sa->sec_session = rte_security_session_create(ctx,
                                        &sess_conf, ipsec_ctx->session_pool);
@@ -201,7 +217,16 @@ create_session(struct ipsec_ctx *ipsec_ctx, struct 
ipsec_sa *sa)
                        sa->action[0].type = RTE_FLOW_ACTION_TYPE_SECURITY;
                        sa->action[0].conf = sa->sec_session;
 
-                       sa->action[1].type = RTE_FLOW_ACTION_TYPE_END;
+                       sa->action[1].type = RTE_FLOW_ACTION_TYPE_RSS;
+                       sa->action[1].conf = &action_rss;
+                       eth_dev = ctx->device;
+                       rte_eth_dev_rss_hash_conf_get(sa->portid, &rss_conf);
+                       for (i = 0, j = 0; i < eth_dev->data->nb_rx_queues; ++i)
+                               if (eth_dev->data->rx_queues[i])
+                                       action_rss.local.queue[j++] = i;
+                       action_rss.local.num = j;
+                       action_rss.local.rss_conf = &rss_conf;
+                       sa->action[2].type = RTE_FLOW_ACTION_TYPE_END;
 
                        sa->attr.egress = (sa->direction ==
                                        RTE_SECURITY_IPSEC_SA_DIR_EGRESS);
diff --git a/examples/ipsec-secgw/ipsec.h b/examples/ipsec-secgw/ipsec.h
index 775b316ff..82ffc1c6d 100644
--- a/examples/ipsec-secgw/ipsec.h
+++ b/examples/ipsec-secgw/ipsec.h
@@ -133,7 +133,7 @@ struct ipsec_sa {
        uint32_t ol_flags;
 
 #define MAX_RTE_FLOW_PATTERN (4)
-#define MAX_RTE_FLOW_ACTIONS (2)
+#define MAX_RTE_FLOW_ACTIONS (4)
        struct rte_flow_item pattern[MAX_RTE_FLOW_PATTERN];
        struct rte_flow_action action[MAX_RTE_FLOW_ACTIONS];
        struct rte_flow_attr attr;
-- 
2.11.0